#include<stdio.h>
int main()
{
	char c1,c2;
	c1=97;
	c2=98;
	printf("%c %c\n",c1,c2);
	printf("%d，%d\n",c1,c2);
	//printf("%f\n",c1);
	//printf("%e\n",c1);
	//调试说明将%c,%d替换成%e,%f后无法正常运行
	return 0;
}
